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Effects Of Collisions On Electronic-Resonance-Enhanced Coherent Anti-Stokes Raman Scattering Of Nitric Oxide, Anil K. Patnaik, Sukesh Roy, James R. Gord, Robert P. Lucht, Thomas B. Settersten
Effects Of Collisions On Electronic-Resonance-Enhanced Coherent Anti-Stokes Raman Scattering Of Nitric Oxide, Anil K. Patnaik, Sukesh Roy, James R. Gord, Robert P. Lucht, Thomas B. Settersten
Physics Faculty Publications
A six-level model is developed and used to study the effects of collisional energy transfer and dephasing on electronic-resonance-enhanced coherent anti-Stokes Raman scattering (ERE-CARS) in nitric oxide. The model includes the three levels that are coherently coupled by the three applied lasers as well as three additional bath levels that enable inclusion of the effects of electronic quenching and rotational energy transfer. The density-matrix equations that describe the evolution of the relevant populations and coherences are presented. The parametric dependencies of the ERE-CARS signal on collisional energy transfer and dephasing processes are described in terms of both a steady-state analytical …